Error running the makefile

[T-001v2r3]

I come across this error when adding lib-newlib to the helloworld.

  CC      libsyscall_shim: uk_prsyscall.o
/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/lib/syscall_shim/uk_prsyscall.c: In function ‘param_okflag’:
/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/lib/syscall_shim/uk_prsyscall.c:431:38: error: ‘R_OK’ undeclared (first use in this function)
  431 |         PR_FLAG(sb, fmtf, orig_seek, R_, OK, okflags);
      |                                      ^~
/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/lib/syscall_shim/uk_prsyscall.c:50:32: note: in definition of macro ‘PR_FLAG’
   50 |                 if ((flags) & (prefix##flagname)) {                     \
      |                                ^~~~~~
/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/lib/syscall_shim/uk_prsyscall.c:431:38: note: each undeclared identifier is reported only once for each function it appears in
  431 |         PR_FLAG(sb, fmtf, orig_seek, R_, OK, okflags);
      |                                      ^~
/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/lib/syscall_shim/uk_prsyscall.c:50:32: note: in definition of macro ‘PR_FLAG’
   50 |                 if ((flags) & (prefix##flagname)) {                     \
      |                                ^~~~~~
/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/lib/syscall_shim/uk_prsyscall.c:432:38: error: ‘W_OK’ undeclared (first use in this function)
  432 |         PR_FLAG(sb, fmtf, orig_seek, W_, OK, okflags);
      |                                      ^~
/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/lib/syscall_shim/uk_prsyscall.c:50:32: note: in definition of macro ‘PR_FLAG’
   50 |                 if ((flags) & (prefix##flagname)) {                     \
      |                                ^~~~~~
/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/lib/syscall_shim/uk_prsyscall.c:433:38: error: ‘X_OK’ undeclared (first use in this function)
  433 |         PR_FLAG(sb, fmtf, orig_seek, X_, OK, okflags);
      |                                      ^~
/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/lib/syscall_shim/uk_prsyscall.c:50:32: note: in definition of macro ‘PR_FLAG’
   50 |                 if ((flags) & (prefix##flagname)) {                     \
      |                                ^~~~~~
make[3]: *** [/home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/unikraft/support/build/Makefile.build:27: /home/galves46/Desktop/HackathonUnikraftPorto2023/git/scripts/workdir/apps/app-helloworld/build/libsyscall_shim/uk_prsyscall.o] Error 1
make[2]: *** [Makefile:1032: sub-make] Error 2
make[1]: *** [Makefile:32: _all] Error 2

[T-001v2r3]

Adding:

#define F_OK 0
#define R_OK 4
#define W_OK 2
#define X_OK 1

to uk_prsyscall.c

and commenting:
LIBNEWLIBC_SRCS-y += $(LIBNEWLIB_LIBC)/stdlib/exit.c
on Makefile.uk

Apperently solved the issue. Thanks to Stefan for the help!